Compare any two Solid State Drives:

VS

SanDisk Ultra II 240GB vs X400 256GB

Display Graphs

Hide Graphs

Specification Charts

Capacity

X400 256GB 256 GB
Ultra II 240GB 240 GB
Difference: 16 (7%)

Random Read

X400 256GB 93500 IOPS
Ultra II 240GB 91000 IOPS
Difference: 2500 (3%)

Random Write

Ultra II 240GB 83000 IOPS
X400 256GB 60000 IOPS
Difference: 23000 (38%)

Sequential Read

Ultra II 240GB 550 MB/sec
X400 256GB 540 MB/sec
Difference: 10 (2%)

Sequential Write

X400 256GB 520 MB/sec
Ultra II 240GB 500 MB/sec
Difference: 20 (4%)

Endurance

Ultra II 240GB 109 TB
X400 256GB 80 TB
Difference: 29 (36%)

Price Comparison

Display Prices

Hide Prices

Ultra II 240GB

Amazon.com

X400 256GB

Amazon.com

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

Display Specifications

Hide Specifications

Model Ultra II 240GB X400 256GB
Manufacturer SanDisk SanDisk
NAND SanDisk 2nd Gen 128Gbit 19nm TLC TLC NAND
Form Factor 2.5" 2.5"
Capacity 240 GB 256 GB
Cache 10240 MB (N/A) MB
Sequential Read 550 MB/s 540 MB/s
Sequential Write 500 MB/s 520 MB/s
Random Read 91000 IOPS 93500 IOPS
Random Write 83000 IOPS 60000 IOPS
Interface SATA III 6Gb/s SATA III 6Gb/s
Controller Marvell 88SS9190 Marvell 88SS1074
Date Released 2014 2016
Endurance 109 TB 80 TB
Notes 3 Year Warranty Warranty 5 years
Display Prices

Hide Prices

Ultra II 240GB

Amazon.com

X400 256GB

Amazon.com

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.